The United States Postal Service is an independent agency of the United States federal government. It is responsible for providing postal service in the United States, including both mail and package shipping.
Telephone
Customer service : (800) 275-8777
International Package Tracking : (800)222-1811
Mailing address
475 L'Enfant Plaza, SW, Room 4012 Washington, DC 20260-2200
Frequently asked questions about USPS customer service
To contact USPS International, call the USPS customer service line at 1-800-ASK-USPS, (800) 275-8777.
If your package hasn't been delivered, visit the USPS website or contact USPS customer service by calling 1-800-ASK-USPS (800) 275-8777, to report the issue and request assistance in tracking or resolving the delivery problem.
To make an inquiry with USPS, visit the USPS website and explore options like web tickets, live chat, or phone support. Alternatively, call USPS customer service at 1-800-ASK-USPS, (800) 275-8777.
USPS does not provide a direct email address for customer inquiries. It's best to use its website, phone, or other contact options for assistance.
Yes, you can contact USPS about a package by calling the customer service line at 1-800-ASK-USPS, (800) 275-8777, and providing details about your package.
No, USPS does not offer an online chat service. You can reach it by phone or explore other contact options on its website.
If USPS fails to deliver your package, contact its customer service at 1-800-ASK-USPS, (800) 275-8777, to report the issue and request assistance in locating or rescheduling the delivery.
To resolve a problem with USPS, contact its customer service at 1-800-ASK-USPS, (800) 275-8777.
For USPS tracking inquiries, call the USPS tracking support number, (800) 222-1811, and provide your tracking number.
To change your delivery address with USPS, visit the USPS website or call its customer service at 1-800-ASK-USPS, (800) 275-8777, to request an address change or redirection.
If your package is significantly delayed, contact USPS customer service at 1-800-ASK-USPS, (800) 275-8777, to inquire about the status and seek assistance.
Disclaimer: Contact information is believed reliable but not guaranteed. Executives change contact details frequently. If an email bounces or a number is wrong, report it immediately. Published March 6, 2024. Updated June 3, 2026.
